Putter head



FIG. 1 is a front view of our new design;

FIG. 2 is a rear view of our new design;

FIG. 3 is a top plan view of our new design;

FIG. 4 is a bottom plan view of our new design;

FIG. 5 is a side view of our new design as seen from the right in FIG.3; and,

FIG. 6 is a side view of our new design as seen from the right in FIG.3.

The ornamental design for a putter head, as shown and described.